CN106151002B - A kind of multi-evaporation temperature system compressors performance testing device - Google Patents
A kind of multi-evaporation temperature system compressors performance testing device Download PDFInfo
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- CN106151002B CN106151002B CN201510161257.XA CN201510161257A CN106151002B CN 106151002 B CN106151002 B CN 106151002B CN 201510161257 A CN201510161257 A CN 201510161257A CN 106151002 B CN106151002 B CN 106151002B
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Abstract
The present invention provides a kind of multi-evaporation temperature system compressors performance testing devices, are used for the compressor of the more liquid storage devices of multi cylinder, the correspondence cylinder in each liquid storage device connection compressor, and exhaust outlet of compressor connects condenser, including：The first end of several groups refrigeration capacity test group, each refrigeration capacity test group connects condenser leakage fluid dram, and second end is separately connected the air inlet of a liquid storage device of compressor, and each by liquid storage device unicom to corresponding cylinder；Every group of refrigeration capacity test group includes a calorimeter, and a heater is equipped in calorimeter；One shut-off valve, a pressure and flow sensor and an electric expansion valve are set between the import and first end of calorimeter；Setting two pressure and temperature sensors in interval between the outlet and second end of calorimeter；By calculating separately the refrigerating capacity of the refrigerant side of every group of refrigeration capacity test group, the refrigerating capacity of corresponding evaporation side is obtained.The present invention can measure the refrigerating capacity of the two or more evaporation sides of multi-evaporation temperature refrigeration system simultaneously.
Description
Technical field
The present invention relates to compressor field, more particularly to a kind of multi-evaporation temperature system compressors performance testing device.
Background technology
Refrigeration performance is one of main performance index of compressor, and the test device of the prior art is more complicated, input at
This and testing cost are higher, and in reality, on the one hand for compressor production firm, due to processing essence in production process
The limitation of degree makes its hands-on background, and there are a certain distance with designed capacity, are needed to it after the completion of compressor design production
It is tested for the property；On the other hand, refrigeration equipment manufacturer normally only relies on compressor factory for the type selecting of compressor
Quotient provide based on the working performance under standard condition, when refrigeration equipment works under nonstandard design, the reality of compressor
Working performance will have larger difference with expected performance, and the ability to work under specific operation to compressor is needed to carry out again
Test and calibration.
But current compressor performance testing stand can only test the refrigerating capacity of an evaporation side, corresponding a set of calorimeter
Side system and compressor air suction state control system can not carry out while detecting to the compressor performance of multi-evaporation temperature system.
Invention content
The purpose of the present invention is to provide a kind of multi-evaporation temperature system compressors performance testing devices, to multi-evaporation temperature
System compressors performance is carried out while being detected, and can obtain the refrigeration performance of two or more evaporation sides simultaneously, two sets or more corresponding
Cover calorimeter system and compressor air suction state control system.
According to an aspect of the present invention, a kind of refrigeration capacity test device of multi-evaporation temperature is provided, it is double for double cylinders
The compressor of liquid storage device, the first liquid storage device are connected to the first cylinder in compressor, and the second liquid storage device is connected to second in compressor
The exhaust outlet of cylinder, compressor connects condenser, including：
The first end of first refrigeration capacity test group, the first refrigeration capacity test group connects the leakage fluid dram of the condenser,
Second end connects the air inlet of the first liquid storage device of the compressor, and passes through the first liquid storage device unicom to corresponding first
Cylinder；The first refrigeration capacity test group includes one first calorimeter, and a heater is equipped in first calorimeter；Described
Between the import of one calorimeter and the first end of the first refrigeration capacity test group be arranged one first shut-off valve, a first pressure and
Flow sensor and one first electric expansion valve；Freeze with described first the outlet of the calorimeter of the first refrigeration capacity test group
A first pressure and temperature sensor and a second pressure and temperature sensor is arranged in interval between measuring the second end of test group, leads to
The refrigerating capacity for the refrigerant side for calculating separately the first refrigeration capacity test group is crossed, the refrigerating capacity of corresponding first evaporation side is obtained；
The first end of second refrigeration capacity test group, the second refrigeration capacity test group connects the leakage fluid dram of the condenser,
Second end connects the air inlet of the second liquid storage device of the compressor, and passes through the second liquid storage device unicom to corresponding second
Cylinder；The second refrigeration capacity test group includes one second calorimeter, and a heater is equipped in second calorimeter；Described
Between the import of two calorimeters and the first end of the second refrigeration capacity test group be arranged one second shut-off valve, a second pressure and
Flow sensor and one second electric expansion valve；The outlet of second calorimeter of the second refrigeration capacity test group and described second
Interval one third pressure and temperature sensor of setting and one the 4th pressure and temperature sensing between the second end of refrigeration capacity test group
Device, the refrigerating capacity of the refrigerant side by calculating separately the second refrigeration capacity test group obtain the refrigeration of corresponding second evaporation side
Amount.
Preferably, it is sequentially connected in series between the import and the first end of the first calorimeter of the first refrigeration capacity test group
One first shut-off valve, a first pressure and flow sensor and one first electric expansion valve；
A first pressure and temperature sensor is arranged in the outlet of first calorimeter, the first refrigeration capacity test group
A second pressure and temperature sensor is arranged before connecting the compressor in second end.
Preferably, first calorimeter is full-liquid type calorimeter.
Preferably, it is sequentially connected in series between the import and the first end of the second calorimeter of the second refrigeration capacity test group
One second shut-off valve, a second pressure and flow sensor and one second electric expansion valve；
A third pressure and temperature sensor is arranged in the outlet of second calorimeter, the second refrigeration capacity test group
One the 4th pressure and temperature sensor is arranged before connecting the compressor in second end.
Preferably, second calorimeter is full-liquid type calorimeter.
Preferably, first cylinder is in parallel with second cylinder, and the discharge capacity of the first cylinder and the second cylinder can be with
It is identical to can also be different.
According to another aspect of the present invention, a kind of refrigeration capacity test device of multi-evaporation temperature is also provided, more gas are used for
The compressor of the more liquid storage devices of cylinder, each liquid storage device are connected to the corresponding cylinder in compressor, the exhaust outlet connection condensation of compressor
Device, including：
The first end of several groups refrigeration capacity test group, each refrigeration capacity test group connects the drain of the condenser
Mouthful, second end is separately connected the air inlet of a liquid storage device of the compressor, and each by the liquid storage device unicom to correspondence
Cylinder；Refrigeration capacity test group described in every group includes a calorimeter, and a heater is equipped in the calorimeter；The calorimeter
One shut-off valve, a pressure and flow sensor and an electric expansion valve are set between import and the first end；The calorimeter
Outlet and the second end between interval setting two pressure and temperature sensors；By calculating separately every group of refrigeration capacity test
The refrigerating capacity of the refrigerant side of group, obtains the refrigerating capacity of corresponding evaporation side.
Preferably, a shut-off valve is sequentially connected in series between the import and the first end of each calorimeter, a flow passes
Sensor and an electric expansion valve；A pressure and temperature sensor, the refrigeration capacity test is arranged in the outlet of each calorimeter
Another pressure and temperature sensor is arranged before connecting the compressor in the second end of group.
Preferably, in parallel between the cylinder, and the displacement volume can be the same or different.
Preferably, the calorimeter is full-liquid type calorimeter.
Due to the use of the above technology, multi-evaporation temperature system compressors performance testing device of the invention can realize list
It measures, avoids independent using two sets while the two or more evaporation side refrigerating capacitys of machine multi-evaporation temperature refrigeration system
Test device is tested, and design cost has been saved, and test case is made more to meet the operating condition of real system, can be more realistically
Reflection is tested the refrigeration performance of single machine multi-evaporation temperature refrigeration system.
Description of the drawings
Technical scheme of the present invention is described in detail below in conjunction with the drawings and specific embodiments, so that the present invention
Characteristics and advantages become apparent.
Fig. 1 is the schematic diagram of the multi-evaporation temperature system compressors performance testing device of first embodiment of the invention；And
Fig. 2 is the measuring state signal of the multi-evaporation temperature system compressors performance testing device of first embodiment of the invention
Figure.
Reference numeral
10 first shut-off valves
11 first pressures and flow sensor
12 first electric expansion valves
13 first calorimeters
14 primary heaters
15 first pressures and temperature sensor
16 second pressures and temperature sensor
20 second shut-off valves
21 second pressures and flow sensor
22 second electric expansion valves
23 second calorimeters
24 secondary heaters
25 third pressure and temperature sensors
26 the 4th pressure and temperature sensors
30 first liquid storage devices
40 second liquid storage devices
50 condensers
60 compressors
61 first cylinders
62 second cylinders
70 pressure sensors
80 shut-off valves
Specific implementation mode
Detailed description will be provided to the embodiment of the present invention below.Although the present invention will combine some specific implementation modes
It is illustrated and illustrates, but should be noted that the present invention is not merely confined to these embodiments.On the contrary, to the present invention
The modification of progress or equivalent replacement, are intended to be within the scope of the claims of the invention.
In addition, in order to better illustrate the present invention, numerous details is given in specific implementation mode below.
It will be understood by those skilled in the art that without these details, the present invention can equally be implemented.It is right in other example
It is not described in detail in known structure and component, in order to highlight the purport of the present invention.
First embodiment
As illustrated in fig. 1 and 2, multi-evaporation temperature system compressors performance testing device of the invention, for the double storages of double cylinders
The compressor 60 of liquid device, the first cylinder 61 are in parallel with the second cylinder 62, wherein the discharge capacity of the first cylinder 61 and the second cylinder 62 can
It can also be different with identical.First liquid storage device 30 is connected to the first cylinder 61 in compressor 60, the connection compression of the second liquid storage device 40
The exhaust outlet of the second cylinder 62 in machine 60, compressor 60 is connected to condenser by a pressure sensor 70 and a shut-off valve 80
50.The present invention multi-evaporation temperature system compressors performance testing device include：First refrigeration capacity test group and the second refrigerating capacity
Test group.
The leakage fluid dram of the first end connection condenser 50 of first refrigeration capacity test group, the first of second end connect compressor 60
The air inlet of liquid storage device 30, and pass through 30 unicom of the first liquid storage device to corresponding first cylinder 61.First refrigeration capacity test group packet
One first calorimeter 13 is included, a primary heater 14 is equipped in the first calorimeter 13.The import of first calorimeter 13 and the first system
One first shut-off valve 10, a first pressure and flow sensor 11 and one first are sequentially connected in series between the first end of cold test group
Electric expansion valve 12.One first pressure is sequentially connected in series between the outlet of first calorimeter 13 and the second end of the first refrigeration capacity test group
Power and temperature sensor 15 and a second pressure and temperature sensor 16, by the refrigeration for calculating separately the first refrigeration capacity test group
The refrigerating capacity of agent side obtains the refrigerating capacity of corresponding first evaporation side.Preferably, the outlet setting one first of the first calorimeter 13
A second pressure and temperature is arranged in the second end connect compressor 60 of pressure and temperature sensor 15, the first refrigeration capacity test group before
Sensor 16 is spent, but not limited to this.First calorimeter 13 is full-liquid type calorimeter, and but not limited to this.
Second refrigeration capacity test group, the leakage fluid dram of the first end connection condenser 50 of the second refrigeration capacity test group, second end
The air inlet of second liquid storage device 40 of connect compressor 60, and pass through 40 unicom of the second liquid storage device to corresponding second cylinder 62.
Second refrigeration capacity test group includes one second calorimeter 23, and a secondary heater 24 is equipped in the second calorimeter 23.Second calorimetric
One second shut-off valve 20, a second pressure and stream are sequentially connected in series between the import of device 23 and the first end of the second refrigeration capacity test group
Quantity sensor 21 and one second electric expansion valve 22.The outlet and the second end of the second refrigeration capacity test group of second calorimeter 23 it
Between be sequentially connected in series a third pressure and temperature sensor 25 and one the 4th pressure and temperature sensor 26, by calculating separately second
The refrigerating capacity of the refrigerant side of refrigeration capacity test group obtains the refrigerating capacity of corresponding second evaporation side.Preferably, the second calorimeter
23 outlet is arranged a third pressure and temperature sensor 25, before the second end connect compressor 60 of the second refrigeration capacity test group
One the 4th pressure and temperature sensor 26 is set, and but not limited to this.Second calorimeter 23 is full-liquid type calorimeter, but not with this
It is limited.The present invention is required for test pressure and temperature value, the condenser in figure when carrying out compressor test before and after each component
The front and back mark that two pressure and temperature sensors are omitted in fact.
When the first shut-off valve 10 and the second shut-off valve 20 are opened simultaneously, which may be implemented two evaporating temperatures
The respective refrigeration performance of lower refrigeration system.
When the first shut-off valve 10 and the second shut-off valve 20 open wherein any one when, the test system and Conventional press
Performance testing device is similar, tests the compressor performance of a conventional evaporating temperature refrigeration system.
When compressor actual test, compressor is placed on test cabinet, can replace and dismantle, other component
All it is integrally fixed in test equipment, it is non-removable.It needs that stop valve is all arranged in compressor air suction and exhaust end, is conveniently replaceable
When with dismounting compressor, blocked with other fixed systems.
The specific implementation process of the present invention is as follows：
(compressor arrangement as shown in Figure 2) illustrates for tested compressor is twin-tub or more parallel structure.This
When the first shut-off valve 10 and the second shut-off valve 20 when opening simultaneously, the working cycles of this test device are as follows：
The refrigerant of first cylinder 61 of compressor 60 and the exhaust of the second cylinder 62 out enters condenser 50, from condenser
50 are out divided into two-way：(the first calorimeter 13 and the second calorimeter 23 in the present embodiment select refrigerant calorimeter, but not
As limit)
The first via is by the first open shut-off valve 10, after the throttling of the first electric expansion valve 12, into the first calorimetric
Device 13, in the first calorimeter 13, refrigerant is in evaporating temperature T1 (in test equipment, by controlling evaporating temperature in calorimeter
The corresponding saturation pressure P1 values of T1 are realized) evaporation of absorbing heat under state, evaporate heater in the refrigerating capacity generated and calorimeter
Heat amount phase equilibrium, the refrigerating capacity of the evaporation side of the first via can be according to refrigerant side refrigerating capacity=(pass through first pressure and stream
The refrigerant flow of quantity sensor 11 × (enthalpy before the first calorimeter 13 outlet the-the first electric expansion valve of enthalpy 12)) it calculates
Go out, while being modified with the calibration of the heating amount of primary heater 14.The refrigerant come out from the first calorimeter 13 subsequently enters
First liquid storage device 30 of 60 air entry of compressor is compressed again into the first cylinder 61 of compressor 60, and carry out system is followed
Ring.
The state point of refrigerant can be determined by temperature, the pressure value tested, and then pass through existing Calculation of Physical Properties
Software (such as nist is common) or correlation, calculate the macroscopic property of the state point, such as enthalpy, entropy parameter, just
In the efficiency etc. for calculating refrigerating capacity and computing system cycle.
Second tunnel is by the second open shut-off valve 20, after the throttling of the second electric expansion valve 22, into the second calorimetric
Device 23, in the second calorimeter 23, refrigerant is in evaporating temperature T2 (in test equipment, by controlling evaporating temperature in calorimeter
The corresponding saturation pressure P2 values of T2 are realized) evaporation of absorbing heat under state, evaporate heater in the refrigerating capacity generated and calorimeter
Heat amount phase equilibrium, the refrigerating capacity of the evaporation side on the second tunnel can be according to refrigerant side refrigerating capacity=(refrigeration passes through second pressure
With agent flux × (enthalpy before the second calorimeter 23 outlet the-the second electric expansion valve of enthalpy 22) of flow sensor 21) it calculates
Go out, while being modified with the calibration of the heating amount of secondary heater 24.The refrigerant come out from the second calorimeter 23 subsequently enters
Second liquid storage device 40 of 60 air entry of compressor is compressed again into the second cylinder 62 of compressor 60, and carry out system is followed
Ring.
The refrigerant circulation that this test device can meet above-mentioned two-way is carried out at the same time, and realizes single machine multi-evaporation temperature refrigeration
It is measured while the two or more evaporation side refrigerating capacitys of system.
When the first shut-off valve 10 and the second shut-off valve 20 open wherein any one when, which may be implemented one
The refrigeration measurement of the compressor refrigeration system of evaporating temperature.
In a change case, a kind of refrigeration capacity test device of multi-evaporation temperature of the invention stores up more for multi cylinder
The compressor of liquid device, each liquid storage device are connected to the corresponding cylinder in compressor, and the exhaust outlet of compressor connects condenser, packet
It includes：Several groups refrigeration capacity test group, the leakage fluid dram of the first end connection condenser of each refrigeration capacity test group, second end connect respectively
The air inlet of a liquid storage device of compressor is connect, and each by liquid storage device unicom to corresponding cylinder；Every group of refrigeration capacity test group
Including a calorimeter, a heater is equipped in calorimeter；One shut-off valve, a pressure are set between the import and first end of calorimeter
With flow sensor and an electric expansion valve；It is sequentially connected in series a shut-off valve, one stream between the import and first end of each calorimeter
Quantity sensor and an electric expansion valve；A pressure and temperature sensor is arranged in the outlet of each calorimeter, refrigeration capacity test group
Another pressure and temperature sensor is set before second end connect compressor.By the system for calculating separately every group of refrigeration capacity test group
The refrigerating capacity of cryogen side obtains the refrigerating capacity of corresponding evaporation side.It can be parallel-connection structure between cylinder.Calorimeter is full-liquid type
Calorimeter, but not limited to this.
As it can be seen that experimental rig proposed by the present invention can carry out the refrigeration performance of the refrigeration system of single machine multi-evaporation temperature
It measures simultaneously.In this test device, when tested compressor is horizontal bar, system under test (SUT) has single machine single evaporator temperature refrigeration system
Compressor performance test function.When tested compressor is twin-tub or more parallel structure, compressor air-discharging is by a condensation
After system, it is divided into two-way or more in parallel, separate refrigerant flow meter, calorimeter system, compression is respectively configured
Machine air-breathing, emission control test the refrigeration performance under two or more evaporating temperatures respectively.It is respectively enterd later by pressure measurement
The corresponding cylinder of contracting machine (shown in Fig. 1, Fig. 2).
In summary, multi-evaporation temperature system compressors performance testing device of the invention can realize that single machine evaporates temperature more
Spend refrigeration system two or more evaporation side refrigerating capacitys while measure, avoid using two sets of independent test devices into
Row test, has saved design cost, test case is made more to meet the operating condition of real system, can more realistically reflect tested single
The refrigeration performance of machine multi-evaporation temperature refrigeration system.
Claims (12)
1. the refrigeration capacity test device of a kind of multi-evaporation temperature, for the compressor (60) of the double liquid storage devices of double cylinders, the first liquid storage
Device (30) is connected to the first cylinder (61) in compressor (60), and the second liquid storage device (40) is connected to the second cylinder in compressor (60)
(62), the exhaust outlet connection condenser (50) of compressor (60), which is characterized in that including：
First refrigeration capacity test group, the first end of the first refrigeration capacity test group connect the leakage fluid dram of the condenser (50),
Second end connects the air inlet of the first liquid storage device (30) of the compressor (60), and passes through the first liquid storage device (30) unicom
To corresponding first cylinder (61)；The first refrigeration capacity test group includes one first calorimeter (13), first calorimeter
(13) heater is equipped in；Between the import and the first end of the first refrigeration capacity test group of first calorimeter (13)
One first shut-off valve (10), a first pressure and flow sensor (11) and one first electric expansion valve (12) are set；Described
Interval setting one first between the outlet of the calorimeter of one refrigeration capacity test group and the second end of the first refrigeration capacity test group
Pressure and temperature sensor (15) and a second pressure and temperature sensor (16), by calculating separately the first refrigeration capacity test group
Refrigerant side refrigerating capacity, obtain the refrigerating capacity of corresponding first evaporation side；
Second refrigeration capacity test group, the first end of the second refrigeration capacity test group connect the leakage fluid dram of the condenser (50),
Second end connects the air inlet of the second liquid storage device (40) of the compressor (60), and passes through the second liquid storage device (40) unicom
To corresponding second cylinder (62)；The second refrigeration capacity test group includes one second calorimeter (23), second calorimeter
(23) heater is equipped in；Between the import and the first end of the second refrigeration capacity test group of second calorimeter (23)
One second shut-off valve (20), a second pressure and flow sensor (21) and one second electric expansion valve (22) are set；Described
It is spaced and sets between the outlet of the second calorimeter (23) of two refrigeration capacity test groups and the second end of the second refrigeration capacity test group
A third pressure and temperature sensor (25) and one the 4th pressure and temperature sensor (26) are set, by calculating separately the second refrigeration
The refrigerating capacity of the refrigerant side of test group is measured, the refrigerating capacity of corresponding second evaporation side is obtained.
2. the refrigeration capacity test device of multi-evaporation temperature as described in claim 1, it is characterised in that：First refrigeration measures
It is sequentially connected in series one first section between the import and the first end of the first refrigeration capacity test group of the first calorimeter (13) of examination group
Only valve (10), a first pressure and flow sensor (11) and one first electric expansion valve (12)；
A first pressure and temperature sensor (15), first refrigeration capacity test is arranged in the outlet of first calorimeter (13)
A second pressure and temperature sensor (16) is arranged before connecting the compressor (60) in the second end of group.
3. the refrigeration capacity test device of multi-evaporation temperature as claimed in claim 2, it is characterised in that：First calorimeter
(13) it is full-liquid type calorimeter.
4. the refrigeration capacity test device of multi-evaporation temperature as described in claim 1, it is characterised in that：Second refrigeration measures
It is sequentially connected in series one second section between the import and the first end of the second refrigeration capacity test group of the second calorimeter (23) of examination group
Only valve (20), a second pressure and flow sensor (21) and one second electric expansion valve (22)；
A third pressure and temperature sensor (25), second refrigeration capacity test is arranged in the outlet of second calorimeter (23)
One the 4th pressure and temperature sensor (26) is arranged before connecting the compressor (60) in the second end of group.
5. the refrigeration capacity test device of multi-evaporation temperature as claimed in claim 4, it is characterised in that：Second calorimeter
(23) it is full-liquid type calorimeter.
6. the refrigeration capacity test device of multi-evaporation temperature as described in claim 1, it is characterised in that：First cylinder (61)
It is in parallel with the second cylinder (62).
7. the refrigeration capacity test device of multi-evaporation temperature as claimed in claim 6, it is characterised in that：First cylinder (61) and the
The discharge capacity of two cylinders (62) can be the same or different.
8. a kind of refrigeration capacity test device of multi-evaporation temperature, is used for the compressor of the more liquid storage devices of multi cylinder, each liquid storage device connects
The exhaust outlet of corresponding cylinder in logical compressor, compressor connects condenser, which is characterized in that including：
The first end of several groups refrigeration capacity test group, each refrigeration capacity test group connects the leakage fluid dram of the condenser, the
Two ends are separately connected the air inlet of a liquid storage device of the compressor, and each by the liquid storage device unicom to corresponding gas
Cylinder；Refrigeration capacity test group described in every group includes a calorimeter, and a heater is equipped in the calorimeter；The import of the calorimeter
One shut-off valve, a pressure and flow sensor and an electric expansion valve are set between the first end；The calorimeter goes out
Setting two pressure and temperature sensors in interval between mouth and the second end；By calculating separately every group of refrigeration capacity test group
The refrigerating capacity of refrigerant side obtains the refrigerating capacity of corresponding evaporation side.
9. the refrigeration capacity test device of multi-evaporation temperature as claimed in claim 8, it is characterised in that：Each calorimeter
A shut-off valve, a flow sensor and an electric expansion valve are sequentially connected in series between import and the first end；Each calorimetric
A pressure and temperature sensor is arranged in the outlet of device, and the second end of the refrigeration capacity test group connects setting before the compressor
Another pressure and temperature sensor.
10. the refrigeration capacity test device of multi-evaporation temperature as claimed in claim 8, it is characterised in that：Between the cylinder simultaneously
Connection.
11. the refrigeration capacity test device of multi-evaporation temperature as claimed in claim 10, it is characterised in that：The discharge capacity of the cylinder
It can be the same or different.
12. the refrigeration capacity test device of multi-evaporation temperature as claimed in claim 8, it is characterised in that：The calorimeter is full
Liquid calorimeter.
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| CN201510161257.XA CN106151002B (en) | 2015-04-07 | 2015-04-07 | A kind of multi-evaporation temperature system compressors performance testing device |
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| CN106151002B true CN106151002B (en) | 2018-09-18 |
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| CN109827350A (en) * | 2019-01-17 | 2019-05-31 | 北京中建建筑科学研究院有限公司 | A kind of refrigeration system and refrigerant system capacity test method |
| CN111622920B (en) * | 2019-02-28 | 2022-06-14 | 青岛海尔智能技术研发有限公司 | Refrigeration equipment, double-cylinder linear compressor and design method thereof |
| CN112267997B (en) * | 2020-11-26 | 2021-06-25 | 中家院（北京）检测认证有限公司 | Compressor performance testing system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63289277A (en) * | 1987-05-20 | 1988-11-25 | Toshiba Corp | Tester for refrigeration compressor |
| CN202256221U (en) * | 2011-09-26 | 2012-05-30 | 上海佐竹冷热控制技术有限公司 | Performance test device of refrigeration compressor |
| CN104251515A (en) * | 2013-06-25 | 2014-12-31 | 上海日立电器有限公司 | Household air conditioner refrigerating system capable of separately controlling latent heat and sensible heat |
-
2015
- 2015-04-07 CN CN201510161257.XA patent/CN106151002B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63289277A (en) * | 1987-05-20 | 1988-11-25 | Toshiba Corp | Tester for refrigeration compressor |
| CN202256221U (en) * | 2011-09-26 | 2012-05-30 | 上海佐竹冷热控制技术有限公司 | Performance test device of refrigeration compressor |
| CN104251515A (en) * | 2013-06-25 | 2014-12-31 | 上海日立电器有限公司 | Household air conditioner refrigerating system capable of separately controlling latent heat and sensible heat |
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| CN106151002A (en) | 2016-11-23 |
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Address after: 201206 Jinqiao Road, Pudong New Area Jinqiao Export Processing Zone, Shanghai, 1051 Applicant after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: 201206 Pudong New Area Jinqiao Export Processing Zone, Nanjing Road, No. 888, Shanghai Applicant before: Rili Electric Appliance Co., Ltd., Shanghai |
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